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Finding the Fourth Proportional to 275,819.16, 380,775.54 and 185,649.24

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Solution

The fourth proportional to 275,819.16, 380,775.54 and 185,649.24 is: 256,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,819.16 : 380,775.54 = 185,649.24 : x
  2. Step 2: Convert to fraction form
    275,819.16/380,775.54 = 185,649.24/x
  3. Step 3: Cross multiply
    275,819.16x = 380,775.54 × 185,649.24
  4. Step 4: Simplify right side
    275,819.16x = 70,690,689,611.59
  5. Step 5: Solve for x
    x = 70,690,689,611.59/275,819.16
  6. Step 6: Final answer
    x = 256,293.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.